From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2BB2AC433EF for ; Mon, 4 Oct 2021 13:34:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 10A6D611CB for ; Mon, 4 Oct 2021 13:34:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234677AbhJDNgG (ORCPT ); Mon, 4 Oct 2021 09:36:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:48040 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237041AbhJDNds (ORCPT ); Mon, 4 Oct 2021 09:33:48 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4575563231; Mon, 4 Oct 2021 13:15:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1633353323; bh=NjK0VONX59kuUgZNW4kpqcg7X7vcUvRcsgH3Cjz61CA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=F2fgfIA0scHGnemZ6u+rV4kcj1jI/Gjwb73Jd4tC6hXZKNDngWMU+fcj63xtHHbAu P0Sq+7kdRlkVkMStzgENptPhWj8arPL313jL2g/MBuCXjo/piF1w1F0jn+8lWpxzHg c/dz9y8bXHi3e7WOBeuLxtXgAU5iWzkAqIxWwKHA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sindhu Devale , Shiraz Saleem , Jason Gunthorpe , Sasha Levin Subject: [PATCH 5.14 083/172] RDMA/irdma: Validate number of CQ entries on create CQ Date: Mon, 4 Oct 2021 14:52:13 +0200 Message-Id: <20211004125047.670577370@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211004125044.945314266@linuxfoundation.org> References: <20211004125044.945314266@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sindhu Devale [ Upstream commit f4475f249445b3c1fb99919b0514a075b6d6b3d4 ] Add lower bound check for CQ entries at creation time. Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs") Link: https://lore.kernel.org/r/20210916191222.824-3-shiraz.saleem@intel.com Signed-off-by: Sindhu Devale Signed-off-by: Shiraz Saleem Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/irdma/verbs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index 6107f37321d2..6c3d28f744cb 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -2040,7 +2040,7 @@ static int irdma_create_cq(struct ib_cq *ibcq, /* Kmode allocations */ int rsize; - if (entries > rf->max_cqe) { + if (entries < 1 || entries > rf->max_cqe) { err_code = -EINVAL; goto cq_free_rsrc; } -- 2.33.0